NPPES file of Aug 9, 2026

Kelsey Mercado, PHD

Clinical Psychologist · Waltham, MA

Kelsey Mercado, PHD is a clinical psychologist with a practice address in Waltham, Massachusetts, and NPI 1093583502, issued on Dec 13, 2023. Check the license (Massachusetts PSY10000137, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093583502
Name
Kelsey Mercado
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
PSY10000137 MA
PSY1000137 MA
Self-reported in NPPES; status is on the state search
Practice location
9 Hope Ave, Waltham, MA 02453
Phone
(617) 355-6680
Enumerated
Dec 13, 2023
Record last updated
Jan 17, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 9 Hope Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer AmatoClinical Neuropsychologist1750759940
  2. Angela Andreoli, PHARMDPharmacist1851505903
  3. Nick Athas, M.P.T.Physical Therapist1356386080
  4. Danielle Barnack, DPTPhysical Therapist1073848768
  5. Alyssa Barzach, M.S., CCC-SLPSpeech-Language Pathologist1003691874
  6. David Battit, MSW, LICSWClinical Social Worker1952450751

Verify Kelsey Mercado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license PSY10000137    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

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30 clinical psychologist records list a practice address in Waltham

They are 30 of the 2,111 NPPES records with a practice address in Waltham, and 3,185 clinical psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 30 in Waltham → All 3,185 in Massachusetts → Every provider in Waltham →

Other clinical psychologist records in Massachusetts

  1. Elizabeth AbbateRevere, MA1992053748
  2. Deborah Abber, PH.D.Westford, MA1568885846
  3. Caroline Abbott, PHDBrockton, MA1699478446
  4. Roger Abdell, ED.DNewton Centre, MA1225110281
  5. Kenneth Abdul-Karim, PH.D.Mashpee, MA1689850661
  6. Tahirah Abdullah-Swain, PHDBoston, MA1306417456
  7. Susan Abelson, PH.D.Cambridge, MA1447306154
  8. Kristen Aberle, PSYDBoston, MA1619308772
  9. Gridth Ablon, PHDChesnut Hill, MA1538380480
  10. Lawrence Abrams, PH.D.Canton, MA1013985993

Common questions

What is Kelsey Mercado, PHD's NPI number?

Kelsey Mercado, PHD's National Provider Identifier (NPI) is 1093583502, issued on Dec 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Kelsey Mercado, PHD located?

The NPPES record lists a practice address at 9 Hope Ave, Waltham, MA, 02453. Phone: (617) 355-6680. Providers update this record themselves, so call before visiting.

How can I verify Kelsey Mercado, PHD's license?

NPPES lists Massachusetts license number PSY10000137, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.